CasCP: Efficient and Secure Certificateless Authentication Scheme for Wireless Body Area Networks with Conditional Privacy-Preserving

Table 5

The comparison of communication cost.

	Client-AP
	Component	Size
Wu et al.’s scheme	Client AP	200 bytes
	AP Client
He et al.’s scheme	Client AP	180 bytes
	AP Client
Ji et al.’s scheme	Client AP	240 bytes
	AP → Client
CapCP	Client AP	200 bytes
	AP Client

Tip: is excluded in comparison.